Cobra Commander upgrades the android Overkill, hoping to disrupt the peace conference. Meanwhile, GI JOE questions the loyalty of another of their team; whom once worked for Cobra
COBRA takes the Queen of England hostage in an effort to steal the Crown Jewels...and, in COBRA Commander's case, to settle down as England's new King. Their plans are thwarted, however, by Her Majesty's daredevil dog.
Night Creeper Leader, Dice and Slice seek a powerful weapon to become invincible and betray Cobra Commander. At the same time, Snake Eyes and Storm Shadow are in hot pursuit; with Scarlet providing backup.
Two preteen computer geniuses inadvertently take control of COBRA's entire paramilitary arsenal...and all but succeed in bringing down the Joes, via what they mistake for an online video game.
The cheerleading captain from Grid-Iron and Metal-Head's mutual alma-mater (GI was the star quarterback; MH was the team mascot) is now a top scientist. The Joes must stop COBRA from exploiting her latest discovery.